CHAPTER XVIII. 



DISEASES OF THE COW'S TEATS. 



Diseases of the cow's teats are of much im- 

 portance to the cow owner because the cow some- 

 times forms bad habits while afflicted witn such 

 diseases. Permanently injured teats and a com- 

 plication of the adjacent part of the udder often 

 result in causing permanent injury and resist- 

 ance to treatment. 



These diseases may be divided into those af- 

 fecting the exterior and the interior of the teat. 

 They may be caused by predisposing conditions 

 such as infection from bacteria that are always 

 present, and from infection and inflammation 

 that may spread from within outward during 

 diseases of the udder. Exciting conditions such 

 as use of mechanical instruments, pressure dur- 

 ing milking, injuries from stepping on teats 

 when getting up or lying down, stepping over 

 high sills, injuries from bushes, shrubs and the 

 like in the pasture and from standing or wad- 

 ing in dirty, filthy mud or water or through 

 manure pits may also cause diseased teats. 



Those cows having large, pendulous bags and 

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